Yes, definitely question this bill. It might include a deposit. But call and find out. A small apartment without heat or AC should be only $50-75 a month. Computer and TV dont use a lot of power. An electric range and refrigerator do.
Other answers were good. Possibly, it is a bill for the last tenant's usage. Or, it may be billing in advance for more than 1 month. Clarify it with the power company. A big utility company does not "rip off" people. Their rates are governed by the PUC. They make mistakes.
Also. Average household of 4 people who arnt electrocoty-usage cautious have bills $500 max quarterly
You should call or walk in and make sure it isn't from the last tenants. They don't typically go by names, more like address.
Our first quartly bill came to $667 which I believe is way too much for 2 people is a small apartment with basic appliances. No computer, tv on for 12 hours a week and no one home during the day with all lights and appliances off during the day except fridge. We are also electricity-usage cautious and turn main switches off and never leave unuses lights on.